OpenTechnical

OT-2026-000015199

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, plant vacuum fed, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000015199) never changes.

Identity and time

Publication numberOT-2026-000015199 · never reused
Internal UUID01a0ae6d-ef47-7711-a772-40d7901a82ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015199
StatusPUBLIC

Content hashes

Canonical texte3d86b8f12e38d05c231680e74a6716d2e583c4abea2a9f00625833f1e7602dd
Markdown9fed88dbb3179e295dd50f230b655f3ba6b30c1c9d4adb69932a68c036670e4a
PDF
Publication page0bf4523ce92d42ed3680554ee52520209cc1329054a7f36f062d54747a7972d1
Manifest08e33be1502f10ed1d9bd7922959751ff78241f3f17a8b3f96e562753c6531a5

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureVE60VUw4QY8T953CQXuQaSW4BoLsnbLLuhkeQRk5CMBd/XaRhkb61yoR3rcmDM9AOwG97yFoontyT8BWUwXqAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:49.778124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015199
observed 0bf4523ce92d42ed3680554ee5252020...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.758140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015199/manifest.json
observed 08e33be1502f10ed1d9bd7922959751f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.740106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015199/publication.md
observed 9fed88dbb3179e295dd50f230b655f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:49.720970ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015199/publication.txt
observed e3d86b8f12e38d05c231680e74a6716d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.